What is the main source of energy?
Water
Air
Sun
Soil
What do producers do?
Compete
Consume
Decompose
Create energy
What are consumers?
Plants
Energy users
Decomposers
Producers
What is a food web?
Simple chain
Isolated system
Single path
Complex network
What happens to energy at each level?
Decreases
Stays same
Disappears instantly
Increases
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